Manufacture, isolation, purification, and uses of small particle size cellulose particles and compositions

Abstract

This invention relates to compositions comprising cellulose particles and methods for making and using same. This invention also relates to compositions comprising a fluid and particles comprising cellulose. Thus, disclosed herein are methods of manufacture, isolation, purification, and handling of cellulose particles. Also disclosed are uses for cellulose particles as additives in leavened or leavenable food products, or in an emulsion or emulsifiable product, or as a suspension aid, or in a thickened composition, or in a meat or meat analog product, or in a personal care formulation, or in a beauty formulation, or in a cosmetic formulation, or in a skin care formulation. Also disclosed are uses for cellulose particles in subterranean treatment compositions. Also disclosed are uses for cellulose particles in metal working compositions, cutting compositions, and stamping compositions. Also disclosed herein are resuspendable particles comprising cellulose. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

What is claimed is: 
     
         1 . A food product comprising particles, wherein the particles:
 comprise cellulose;   have at least one of:
 (1) a d 75  of less than about 8 microns; 
 (2) a d 50  of about 0.4 microns to about 5 microns; 
   have an aspect ratio of about 1 to about 1.5; and   have a non-spherical shape; and   wherein at least a portion of the cellulose is type-II cellulose.   
     
     
         2 . The food product of  claim 1 , wherein the food product is a leavened or leavenable food product. 
     
     
         3 . The food product of  claim 1 , wherein the food product is a meat or meat analog composition. 
     
     
         4 . The food product of  claim 1 , wherein the particles are present at a level of at least 0.5 wt. % of particles based on the total weight of the food product on a dry basis. 
     
     
         5 . The food product of  claim 1 , wherein the particles further comprise lignin. 
     
     
         6 . The food product of  claim 1 , wherein the particles comprise less than 1% lignin. 
     
     
         7 . The food product of  claim 1 , wherein the ratio of type-II to type-I cellulose is at least about 0.2. 
     
     
         8 . A cellulose composition comprising particles and a resuspending agent:
 wherein the particles, when resuspended in a liquid:
 comprise cellulose; 
 have at least one of:
 (1) a d 75  of less than about 8 microns; 
 (2) a d 50  of about 0.4 microns to about 5 microns; 
 
 have an aspect ratio of about 1 to about 1.5; and 
 have a non-spherical shape; and 
 wherein at least a portion of the cellulose is type-II cellulose; and 
   wherein the resuspending agent is adsorbed or bonded to at least a portion of the surface of the particles.   
     
     
         9 . The cellulose composition of  claim 8 , wherein the resuspending agent is one or more polyol compound, one or more polyol oligomer, or one or more polyol polymer, or any combination thereof. 
     
     
         10 . The cellulose composition of  claim 8 , wherein the resuspending agent comprises one or more oligosaccharide, one or more monosaccharide, sucrose, glycerol, citric acid, sorbitol, maltodextrin, a sugar alcohol, or any combination thereof. 
     
     
         11 . The cellulose composition of  claim 8 , wherein the resuspending agent comprises a gluco-oligosaccharide. 
     
     
         12 . A subterranean treatment composition or a machining/processing composition comprising:
 (a) a liquid; and   (b) particles suspended in the liquid, wherein the particles:
 comprise cellulose; 
 have at least one of:
 (1) a d 75  of less than about 8 microns; 
 (2) a d 50  of from about 0.4 microns to about 5.0 microns; 
 
   have an aspect ratio of from about 1 to about 1.5; and   have a non-spherical shape; and   wherein at least a portion of the cellulose is type-II cellulose.   
     
     
         13 . The composition of  claim 12 , wherein the liquid further comprises a weighting agent. 
     
     
         14 . The composition of  claim 12 , wherein the particles are present at a level of at least about 0.5 wt % of particles, based on the total weight of the composition. 
     
     
         15 . The composition of  claim 12 , wherein the composition is a machining/processing composition selected from a metalworking fluid, cutting fluid, stamping fluid, abrading fluid, tribological fluid, cooling fluid, and lubricating fluid, or a mixture thereof. 
     
     
         16 . A personal care formulation comprising particles, wherein the particles:
 comprise cellulose;   have at least one of:
 (1) a d 75  of less than about 8 microns; 
 (2) a d 50  of about 0.4 microns to about 5 microns; 
   have an aspect ratio of about 1 to about 1.5; and   have a non-spherical shape; and   wherein at least a portion of the cellulose is type-II cellulose.   
     
     
         17 . The personal care formulation of  claim 16 , wherein the particles are present at a level of at least about 0.5 wt. % of particles based on the total weight of personal care formulation. 
     
     
         18 . The personal care formulation of  claim 16 , further comprising one or more additional thickeners, and wherein the resulting viscosity is at least 10% greater than the sum of the viscosity of an otherwise identical composition with the cellulose composition and the viscosity of an otherwise identical composition with the one or more additional thickeners. 
     
     
         19 . The personal care formulation of  claim 16 , wherein the personal care formulation further comprises pigment particles, filler or extender particles, polymer particles, beads, or a combination thereof. 
     
     
         20 . The personal care formulation of  claim 16 , wherein the personal care formulation is a lotion, a cream, a serum, an ointment, a shampoo, a conditioner, a hairspray, a hair gel, a deodorant, a facial or body wash, a facial or body scrub, an exfoliant, an emollient, a moisturizer, a liquid soap, a bar soap, a foundation make-up, a BB cream, a CC cream, an eye cream, a sunscreen, an anti-acne serum or cream or lotion, a cellular serum or cream or lotion, a facial or body mask, a blush, an eyeshadow, a mascara, a lipstick, a lip balm, or a clay suspension, a kaolin suspension, or a mud suspension.